still he has diabetes and recently suffered a heart attack surviving one week in this unforgiving environment is hard. and this week officials started sending out cadaver dogs. >> it is a very difficult place to survive. he's been out there seven days. if he is still here, he would have to be very adaptable to these times of conditions in order to survive that long. >> now at 6:00, the suspicious disappearance of a northern virginia mother. >>> right now a woman is missing and it turned out someone called the cop on her. >> deadly consequences after a police chase. police want a video taken down. >>> most of the rain is gone but drivers could face new threats. >>> now to the race for the white house. we are a little more than 24 hours away from the first presidential debate between president obama and mitt romney. there are indications tonight that are significant number of american will be watching. in a newly released nbc news "wall street journal" survey, nearly 40% of the voters polled said the debates will be an important factor in deciding their vote. steve handelsman joins us from denv